Home / 5,209.46-7,814.79-2,090.55

Finding the Fourth Proportional to 5,209.46, 7,814.79 and 2,090.55

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Solution

The fourth proportional to 5,209.46, 7,814.79 and 2,090.55 is: 3,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.46 : 7,814.79 = 2,090.55 : x
  2. Step 2: Convert to fraction form
    5,209.46/7,814.79 = 2,090.55/x
  3. Step 3: Cross multiply
    5,209.46x = 7,814.79 × 2,090.55
  4. Step 4: Simplify right side
    5,209.46x = 16,337,209.23
  5. Step 5: Solve for x
    x = 16,337,209.23/5,209.46
  6. Step 6: Final answer
    x = 3,136.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.